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/*
D-Bus Java Implementation
Copyright (c) 2005-2006 Matthew Johnson
This program is free software; you can redistribute it and/or modify it
under the terms of either the GNU Lesser General Public License Version 2 or the
Academic Free Licence Version 2.1.
Full licence texts are included in the COPYING file with this program.
*/
package org.freedesktop.dbus;
import static org.freedesktop.dbus.Gettext._;
import org.freedesktop.dbus.exceptions.DBusException;
import org.freedesktop.dbus.exceptions.DBusExecutionException;
import java.util.HashMap;
public class DBusMatchRule
{
/* signal, error, method_call, method_reply */
private String type;
private String iface;
private String member;
private String object;
private String source;
private static HashMap<String, Class<? extends DBusSignal>> signalTypeMap =
new HashMap<String, Class<? extends DBusSignal>>();
static Class<? extends DBusSignal> getCachedSignalType(String type)
{
return signalTypeMap.get(type);
}
public DBusMatchRule(String type, String iface, String member)
{
this.type = type;
this.iface = iface;
this.member = member;
}
public DBusMatchRule(DBusExecutionException e) throws DBusException
{
this(e.getClass());
member = null;
type = "error";
}
public DBusMatchRule(Message m)
{
iface = m.getInterface();
member = m.getName();
if (m instanceof DBusSignal)
type = "signal";
else if (m instanceof Error) {
type = "error";
member = null;
}
else if (m instanceof MethodCall)
type = "method_call";
else if (m instanceof MethodReturn)
type = "method_reply";
}
public DBusMatchRule(Class<? extends DBusInterface> c, String method) throws DBusException
{
this(c);
member = method;
type = "method_call";
}
public DBusMatchRule(Class<? extends Object> c, String source, String object) throws DBusException
{
this(c);
this.source = source;
this.object = object;
}
@SuppressWarnings("unchecked")
public DBusMatchRule(Class<? extends Object> c) throws DBusException
{
if (DBusInterface.class.isAssignableFrom(c)) {
if (null != c.getAnnotation(DBusInterfaceName.class))
iface = c.getAnnotation(DBusInterfaceName.class).value();
else
iface = AbstractConnection.dollar_pattern.matcher(c.getName()).replaceAll(".");
if (!iface.matches(".*\\..*"))
throw new DBusException(_("DBusInterfaces must be defined in a package."));
member = null;
type = null;
}
else if (DBusSignal.class.isAssignableFrom(c)) {
if (null == c.getEnclosingClass())
throw new DBusException(_("Signals must be declared as a member of a class implementing DBusInterface which is the member of a package."));
else
if (null != c.getEnclosingClass().getAnnotation(DBusInterfaceName.class))
iface = c.getEnclosingClass().getAnnotation(DBusInterfaceName.class).value();
else
iface = AbstractConnection.dollar_pattern.matcher(c.getEnclosingClass().getName()).replaceAll(".");
// Don't export things which are invalid D-Bus interfaces
if (!iface.matches(".*\\..*"))
throw new DBusException(_("DBusInterfaces must be defined in a package."));
if (c.isAnnotationPresent(DBusMemberName.class))
member = c.getAnnotation(DBusMemberName.class).value();
else
member = c.getSimpleName();
signalTypeMap.put(iface+'$'+member, (Class<? extends DBusSignal>) c);
type = "signal";
}
else if (Error.class.isAssignableFrom(c)) {
if (null != c.getAnnotation(DBusInterfaceName.class))
iface = c.getAnnotation(DBusInterfaceName.class).value();
else
iface = AbstractConnection.dollar_pattern.matcher(c.getName()).replaceAll(".");
if (!iface.matches(".*\\..*"))
throw new DBusException(_("DBusInterfaces must be defined in a package."));
member = null;
type = "error";
}
else if (DBusExecutionException.class.isAssignableFrom(c)) {
if (null != c.getClass().getAnnotation(DBusInterfaceName.class))
iface = c.getClass().getAnnotation(DBusInterfaceName.class).value();
else
iface = AbstractConnection.dollar_pattern.matcher(c.getClass().getName()).replaceAll(".");
if (!iface.matches(".*\\..*"))
throw new DBusException(_("DBusInterfaces must be defined in a package."));
member = null;
type = "error";
}
else
throw new DBusException(_("Invalid type for match rule: ")+c);
}
public String toString()
{
String s = null;
if (null != type) s = null == s ? "type='"+type+"'" : s + ",type='"+type+"'";
if (null != member) s = null == s ? "member='"+member+"'" : s + ",member='"+member+"'";
if (null != iface) s = null == s ? "interface='"+iface+"'" : s + ",interface='"+iface+"'";
if (null != source) s = null == s ? "sender='"+source+"'" : s + ",sender='"+source+"'";
if (null != object) s = null == s ? "path='"+object+"'" : s + ",path='"+object+"'";
return s;
}
public String getType() { return type; }
public String getInterface() { return iface; }
public String getMember() { return member; }
public String getSource() { return source; }
public String getObject() { return object; }
}
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